Suction flow device,申请号US19540446697-传众专利搜索

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发明名称	Suction flow device
摘要
申请公布号	US2757686(A)	申请公布日期	1956.08.07
申请号	US19540446697	申请日期	1954.07.30
申请人	MAXWELL JOHN M	发明人	MAXWELL JOHN M.
分类号	A01M7/00;B67D7/00	主分类号	A01M7/00
代理机构		代理人
主权项
地址

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